Unreal Engine Issues
Unreal Engine Issues
Wake/Sleep events are not properly handled with Welding
Physics - Nov 25, 2019Wake/Sleep events are not generated for components set to generate wake events after having a component not set to generate wake events welded to them. Wake/Sleep events are also not dispatched for ...
SetHitResultFromShapeAndFaceIndex crash
Physics - Nov 15, 2019SetHitResultFromShapeAndFaceIndex calls if(PxMaterial* PxMat = PShape->getMaterialFromInternalFaceIndex(FaceIndex)) { OutResult.PhysMaterial = FPhysxUserData::Get<UPhysicalMaterial>(PxMat->userD ...
Curves in compressed additive animations interpolate incorrectly when two keys in a row have the same value
Anim - Animation - Oct 16, 2019Curves compressed from additive animations will not interpolate correctly if they have two keys in a row with the same value. The second key will be ignored, leading to the curve interpolating earli ...
Copy Procedural Mesh from Static Mesh Component does not work correctly when the order of material slots is different
Rendering - Oct 15, 2019This issue occurs when the section and material slot order do not match In this sample project:[Image Removed] According to a report from the licensee, the order of Sections seems incorrect.[Image ...
Sorting a Blueprint variable into a subcategory separates variables into separate category structures
Gameplay - Blueprint - Oct 14, 2019Within the Blueprint Editor, it is possible to create subcategories for variables to be sorted into. Doing so separates variables not nested into subcategories out into standalone, top-level structu ...
UCharacterMovementComponent OldVelocity is pre-additive while Velocity is post-additive
Anim - Oct 10, 2019In UCharacterMovementComponent code such as PhysFalling, RestorePreAdditiveRootMotionVelocity is called before FVector OldVelocity = Velocity; leaving OldVelocity in a pre-additive state making furt ...
Playing as a Pawn that is a Duplicate of a Blueprint Class doesn't create an Attribute Set
Gameplay - Oct 1, 2019Creating a duplicate of a Blueprint class that has an AttributeSet seems to be interfering with the creation of the AttributeSet. ...
Landscape Layer Blend generates bad code for preview shader
Tools - Landscape - Sep 23, 2019It breaks only when compiling the preview shader. Adding a preview weight to the Layer0 on the Layer Blend node fixes the problem. The source of the bug is in UMaterialExpressionLandscapeLayerBlend ...
Renaming Sprite Actor in Struct Blueprint, and closing the Editor causes de-reference
Gameplay - Sep 12, 2019Paper Sprite actor set as a Default Value in a Blueprint Struct is set to none, when the sprite is renamed, saved, and the Engine is restarted. ...
Memory leak with disable rendering
Rendering - Sep 2, 2019When executing "ShowFlag.Rendering 0", it occur the memory leak because it can't run RHICmdList.ImmediateFlush(). The following code is a workaround. DEC_MEMORY_STAT_BY() is ImmediateFlush. Witho ...